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FHLB Advances, Other Borrowings and Junior Subordinated Notes Payable (Narrative Disclosures) (Details) - USD ($)	3 Months Ended		6 Months Ended	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Jun. 30, 2020	Dec. 31, 2020
Debt Disclosure [Abstract]
Line of credit commitment fee	$ 3,000	$ 3,000
Short-term Debt [Line Items]
Borrowed funds	$ 458,482,000			$ 429,229,000
Borrowed funds, interest rate during period	1.91%			1.91%
Federal Reserve PPPLF
Short-term Debt [Line Items]
Borrowed funds	$ 0		$ 29,600,000	$ 0
Borrowed funds, interest rate during period	0.00%		0.35%	0.35%
Other borrowings
Short-term Debt [Line Items]
Borrowed funds	$ 8,860,000			$ 920,000
Borrowed funds, interest rate during period	5.05%			12.60%

X

- Definition

Amount of short-term and long-term debt and lease obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13,16)
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

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-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

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- Definition

The average effective interest rate during the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

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Amount of the fee for available but unused credit capacity under the credit facility.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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